Rockley Viaduct IV
Works at Rockley Viaduct are part on an ongoing project that started back in 2020. This phase of the project aims to implement a permanent design solution that will provide medium-term stability to the structure by replacing the existing damaged scour protection system and washed-out apron with a rock armour system to protect bridge columns and their underlying caissons.
Rockley Viaduct spans between two Victorian rail embankments that divide parts of Poole Harbour. The original construction of the viaduct created a very fast tide race in this part of the harbour, which in turn creates problems for the long term maintenance which is made challenging by an exceptionally fast flow of water. The project is made furthermore complicated by the fact that the other side of the viaduct, an area called ‘Lytchett Bay’ is difficult to access and can only be accessed from the water.
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